THE NATURAL-HISTORY CATALOGUE
A branch of the living world.
110,000 accepted animal species, linked through classification, synonyms, distributions and source literature.
These attributed records come from Catalogue of Life, 2026-09-11. Detail varies; they are not all fully researched, illustrated articles. Browse researched folklore and fiction.
Matches documented source distribution records. Geographic coverage is incomplete.
| Species | Classification | Source status |
|---|---|---|
| Hydrobia abbreviata (Grateloup, 1828) | HydrobiidaeMollusca | Accepted speciesRecorded extinct |
| Hydrobia accrensis Connolly, 1929 | HydrobiidaeMollusca | Accepted speciesExtinction status not supplied |
| Hydrobia acutecarinata Neumayr, 1875 | HydrobiidaeMollusca | Accepted speciesRecorded extinct |
| Hydrobia aitai Jekelius, 1932 | HydrobiidaeMollusca | Accepted speciesRecorded extinct |
| Hydrobia alabastrina Morelet, 1889 | HydrobiidaeMollusca | Accepted speciesExtinction status not supplied |
| Hydrobia aldrichi (Dall, 1913) | HydrobiidaeMollusca | Accepted speciesRecorded extinct |
| Hydrobia alpha Jekelius, 1944 | HydrobiidaeMollusca | Accepted speciesRecorded extinct |
| Hydrobia amnicoloides Pilsbry, 1892 | HydrobiidaeMollusca | Accepted speciesRecorded extinct |
| Hydrobia anceps F. E. Edwards, 1866 | HydrobiidaeMollusca | Accepted speciesRecorded extinct |
| Hydrobia andersoni (R. Arnold, 1909) | HydrobiidaeMollusca | Accepted speciesRecorded extinct |
| Hydrobia andreaei O. Boettger, 1892 | HydrobiidaeMollusca | Accepted speciesRecorded extinct |
| Hydrobia aquitanica Degrange-Touzin, 1892 | HydrobiidaeMollusca | Accepted speciesRecorded extinct |
| Hydrobia avisanensis Fontannes, 1877 | HydrobiidaeMollusca | Accepted speciesRecorded extinct |
| Hydrobia banatica Jekelius, 1944 | HydrobiidaeMollusca | Accepted speciesRecorded extinct |
| Hydrobia barzaviae Jekelius, 1932 | HydrobiidaeMollusca | Accepted speciesRecorded extinct |
| Hydrobia cyprideae Huckriede, 1967 | HydrobiidaeMollusca | Accepted speciesRecorded extinct |
| CapybaraHydrochoerus hydrochaeris (Linnaeus, 1766) | CaviidaeChordata | Accepted speciesRecorded extant |
| Lesser CapybaraHydrochoerus isthmius Goldman, 1912 | CaviidaeChordata | Accepted speciesRecorded extant |
| Giant SwiftletHydrochous gigas (Hartert & A. L. Butler, 1901) | ApodidaeChordata | Accepted speciesRecorded extant |
| Hydrocynus brevis (Günther, 1864) | AlestidaeChordata | Accepted speciesExtinction status not supplied |
| Hydrocynus forskahlii (Cuvier, 1819) | AlestidaeChordata | Accepted speciesExtinction status not supplied |
| Hydrocynus tanzaniae Brewster, 1986 | AlestidaeChordata | Accepted speciesExtinction status not supplied |
| Hydrocynus vittatus Castelnau, 1861 | AlestidaeChordata | Accepted speciesExtinction status not supplied |
| Steller's Sea CowHydrodamalis gigas (Zimmermann, 1780) | DugongidaeChordata | Accepted speciesRecorded extinct |
| Herrmann's Water SnakeHydrodynastes bicinctus (Hermann, 1804) | ColubridaeChordata | Accepted speciesExtinction status not supplied |
| False Water CobraHydrodynastes gigas (Duméril, Bibron & Duméril, 1854) | ColubridaeChordata | Accepted speciesExtinction status not supplied |
| Hydrolaetare dantasi (Bokermann, 1959) | LeptodactylidaeChordata | Accepted speciesRecorded extant |
| deepwater chimaeraHydrolagus affinis (de Brito Capello, 1868) | ChimaeridaeChordata | Accepted speciesExtinction status not supplied |
| Hydrolagus alphus Quaranta, Didier, Long & Ebert, 2006 | ChimaeridaeChordata | Accepted speciesExtinction status not supplied |
| Hydrolagus bemisi Didier, 2002 | ChimaeridaeChordata | Accepted speciesExtinction status not supplied |
| ratfishHydrolagus colliei (Lay & Bennett, 1839) | ChimaeridaeChordata | Accepted speciesExtinction status not supplied |
| Hydrolagus erithacus Walovich, Ebert & Kemper, 2017 | ChimaeridaeChordata | Accepted speciesExtinction status not supplied |
| Hydrolagus macrophthalmus de Buen, 1959 | ChimaeridaeChordata | Accepted speciesExtinction status not supplied |
| Hydrolagus marmoratus Didier, 2008 | ChimaeridaeChordata | Accepted speciesExtinction status not supplied |
| Hydrolagus matallanasi Soto & Vooren, 2004 | ChimaeridaeChordata | Accepted speciesExtinction status not supplied |
| Hydrolagus mccoskeri Barnett, Didier, Long & Ebert, 2006 | ChimaeridaeChordata | Accepted speciesExtinction status not supplied |
| Hydrolagus melanophasma James, Ebert, Long & Didier, 2009 | ChimaeridaeChordata | Accepted speciesExtinction status not supplied |
| Hydrolagus mirabilis (Collett, 1904) | ChimaeridaeChordata | Accepted speciesExtinction status not supplied |
| Hydrolagus mitsukurii (Jordan & Snyder, 1904) | ChimaeridaeChordata | Accepted speciesExtinction status not supplied |
| Hydrolagus novaezealandiae (Fowler, 1911) | ChimaeridaeChordata | Accepted speciesExtinction status not supplied |
| pale ghost sharkHydrolagus pallidus Hardy & Stehmann, 1990 | ChimaeridaeChordata | Accepted speciesExtinction status not supplied |
| Purple chimaeraHydrolagus purpurescens (Gilbert, 1905) | ChimaeridaeChordata | Accepted speciesExtinction status not supplied |
| Hydrolycus armatus (Jardine, 1841) | CynodontidaeChordata | Accepted speciesExtinction status not supplied |
| Hydrolycus tatauaia Toledo-Piza, Menezes & Santos, 1999 | CynodontidaeChordata | Accepted speciesExtinction status not supplied |
| Hydrolycus wallacei Toledo-Piza, Menezes & Santos, 1999 | CynodontidaeChordata | Accepted speciesExtinction status not supplied |
| Mount Lyell SalamanderHydromantes platycephalus (Camp, 1916) | PlethodontidaeChordata | Accepted speciesRecorded extant |
| Hydromantes samweli Bingham, Papenfuss, Lindstrand & Wake, 2018 | PlethodontidaeChordata | Accepted speciesRecorded extant |
| Shasta SalamanderHydromantes shastae Gorman & Camp, 1953 | PlethodontidaeChordata | Accepted speciesRecorded extant |
| Hydromantes wintu Bingham, Papenfuss, Lindstrand & Wake, 2018 | PlethodontidaeChordata | Accepted speciesRecorded extant |
| Maximilian’s Snake-headed TurtleHydromedusa maximiliani (Mikan, 1825) | ChelidaeChordata | Accepted speciesExtinction status not supplied |
Source and selection
Bánki, O., Roskov, Y., Döring, M., Ower, G., Hernández Robles, D. R., Plata Corredor, C. A., Stjernegaard Jeppesen, T., Örn, A., Pape, T., Hobern, D., Garnett, S., Little, H., DeWalt, R. E., Miller, J., Orrell, T., Aalbu, R., Abbott, J., Aedo, C., Aescht, E., et al. (2026). Catalogue of Life (Version 2026-09-11). Catalogue of Life Foundation, Amsterdam, Netherlands. https://doi.org/10.48580/dgz5n
First records in source order under phylum quotas, then source-order overflow if a quota is short. This is a selective snapshot. Source name strings can include author names, which are also searchable.